<!DOCTYPE html>
<script src="../../resources/testharness.js"></script>
<script src="../../resources/testharnessreport.js"></script>
Passes if it does not crash.
<div style="columns: 3;">
  <div style="width: 600px; height: 300px; position: relative;">
    <canvas id="canvas" width="600" height="300" style="position: absolute; left: 0; top: 0;">
    </canvas>
  </div>
</div>
<script>
async_test(t => {
  const canvas = document.getElementById('canvas');
  const ctx = canvas.getContext('2d');
  ctx.fillStyle = 'green';
  ctx.fillRect(0, 0, 100, 100);
  t.done();
});
</script>
